[LightSpeech] TypeError: cannot serialize '_io.BufferedReader' object

[Wolfman1219]

export CUDA_VISIBLE_DEVICES=0,1
export PYTHONPATH=.
python tasks/lightspeech.py --config configs/tts/lj/lightspeech.yaml --exp_name lightspeech --reset

Validation sanity check: 0%| | 0/5 [00:00<?, ?batch/s]Traceback (most recent call last):
File "tasks/lightspeech.py", line 813, in
LightSpeechTask.start()
File "/home/deploy/second_disk/projects/TTS/NeuralSpeech/LightSpeech/tasks/base_task.py", line 253, in start
trainer.fit(task)
File "/home/deploy/second_disk/projects/TTS/NeuralSpeech/LightSpeech/utils/pl_utils.py", line 501, in fit
mp.spawn(self.ddp_train, nprocs=self.num_gpus, args=(model,))
File "/home/deploy/miniconda3/envs/ls/lib/python3.7/site-packages/torch/multiprocessing/spawn.py", line 171, in spawn
while not spawn_context.join():
File "/home/deploy/miniconda3/envs/ls/lib/python3.7/site-packages/torch/multiprocessing/spawn.py", line 118, in join
raise Exception(msg)
Exception:

-- Process 1 terminated with the following error:
Traceback (most recent call last):
File "/home/deploy/miniconda3/envs/ls/lib/python3.7/site-packages/torch/multiprocessing/spawn.py", line 19, in _wrap
fn(i, *args)
File "/home/deploy/second_disk/projects/TTS/NeuralSpeech/LightSpeech/utils/pl_utils.py", line 938, in ddp_train
self.run_pretrain_routine(model)
File "/home/deploy/second_disk/projects/TTS/NeuralSpeech/LightSpeech/utils/pl_utils.py", line 585, in run_pretrain_routine
self.evaluate(model, self.get_val_dataloaders(), self.num_sanity_val_steps, self.testing)
File "/home/deploy/second_disk/projects/TTS/NeuralSpeech/LightSpeech/utils/pl_utils.py", line 1204, in evaluate
for batch_idx, batch in enumerate(dataloader):
File "/home/deploy/miniconda3/envs/ls/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 278, in iter
return _MultiProcessingDataLoaderIter(self)
File "/home/deploy/miniconda3/envs/ls/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 682, in init
w.start()
File "/home/deploy/miniconda3/envs/ls/lib/python3.7/multiprocessing/process.py", line 112, in start
self._popen = self._Popen(self)
File "/home/deploy/miniconda3/envs/ls/lib/python3.7/multiprocessing/context.py", line 223, in _Popen
return _default_context.get_context().Process._Popen(process_obj)
File "/home/deploy/miniconda3/envs/ls/lib/python3.7/multiprocessing/context.py", line 284, in _Popen
return Popen(process_obj)
File "/home/deploy/miniconda3/envs/ls/lib/python3.7/multiprocessing/popen_spawn_posix.py", line 32, in init
super().init(process_obj)
File "/home/deploy/miniconda3/envs/ls/lib/python3.7/multiprocessing/popen_fork.py", line 20, in init
self._launch(process_obj)
File "/home/deploy/miniconda3/envs/ls/lib/python3.7/multiprocessing/popen_spawn_posix.py", line 47, in _launch
reduction.dump(process_obj, fp)
File "/home/deploy/miniconda3/envs/ls/lib/python3.7/multiprocessing/reduction.py", line 60, in dump
ForkingPickler(file, protocol).dump(obj)
TypeError: cannot serialize '_io.BufferedReader' object